View Code of Problem 87

#include <stdio.h>
main(){
	int a,min,max,n;
	scanf("%d",&a);
	if(a%2!=0)
		printf("0 0\n");
	else{
		if((n = a%4) == 0)
			min = a/4;
		else
			min = (a/4)+n/2;
		max = a/2;
		printf("%d %d\n",min,max);
	}
	return 0;
}